7/10
User
’s Guide
BD9E101FJ-EVK-001
© 2014 ROHM Co., Ltd.
No. 60UG012E Rev.003
APR.2017
0
10
20
30
40
50
60
70
80
90
100
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
E
ff
ic
ie
n
c
y
(
%)
Load Current (A)
V
IN
=12V
V
IN
=24V
V
O
=5.0V
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
5
10
15
20
25
30
35
40
O
utp
ut
V
ol
tag
e
Chan
ge
(
%)
Input Voltage (V)
I
O
=1.0A
V
O
=5.0V
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
O
utp
ut
V
ol
tag
e
Chan
ge
(
%)
Load Current (A)
V
IN
=12V
V
IN
=24V
V
O
=5.0V
Reference Application Data
Figure 9. Efficiency vs Load Current
Figure 10. Line Regulation
Figure 11. Load Regulation
Figure 12. Load Transient Characteristics
V
O
(AC)
100mV/div
I
O
: 500mA/div
I
O
: 500mA/div
Time scale 1ms/div
V
IN
= 12V
V
O
= 5.0V
V
IN
= 24V
V
O
= 5.0V
I
O
: 0A
→
1A
→
0A
I
O
: 0A
→
1A
→
0A
V
O
(AC)
100mV/div
Time scale 1ms/div
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